RealtimeSweepTask.cpp

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 * Copyright (c) 1991, 2020 IBM Corp. and others
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 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
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 * is available at https://www.apache.org/licenses/LICENSE-2.0.
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 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
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#include "ut_j9mm.h"

#include "EnvironmentRealtime.hpp"
#include "GCExtensionsBase.hpp"
#include "GlobalGCStats.hpp"
#include "RealtimeSweepTask.hpp"
#include "SweepSchemeRealtime.hpp"

void
MM_RealtimeSweepTask::run(MM_EnvironmentBase *envBase)
{
	MM_EnvironmentRealtime *env = MM_EnvironmentRealtime::getEnvironment(envBase->getOmrVMThread());
	_sweepScheme->sweep(env);
}

void
MM_RealtimeSweepTask::setup(MM_EnvironmentBase *envBase)
{
	MM_EnvironmentRealtime *env = MM_EnvironmentRealtime::getEnvironment(envBase->getOmrVMThread());

	env->_sweepStats.clear();

	/* record that this thread is participating in this cycle */
	env->_sweepStats._gcCount = env->getExtensions()->globalGCStats.gcCount;
}

void
MM_RealtimeSweepTask::cleanup(MM_EnvironmentBase *envBase)
{
	MM_EnvironmentRealtime *env = MM_EnvironmentRealtime::getEnvironment(envBase->getOmrVMThread());
	OMRPORT_ACCESS_FROM_ENVIRONMENT(env);

	MM_GlobalGCStats *finalGCStats = &env->getExtensions()->globalGCStats;
	finalGCStats->sweepStats.merge(&env->_sweepStats);

	Trc_MM_RealtimeSweepTask_parallelStats(
		env->getLanguageVMThread(),
		(U_32)env->getWorkerID(), 
		(U_32)omrtime_hires_delta(0, env->_sweepStats.idleTime, OMRPORT_TIME_DELTA_IN_MILLISECONDS),
		env->_sweepStats.sweepChunksProcessed, 
		(U_32)omrtime_hires_delta(0, env->_sweepStats.mergeTime, OMRPORT_TIME_DELTA_IN_MILLISECONDS));
}